Stability of a skyrmion crystal in a frustrated antiferromagnetic bilayer on a triangular lattice

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Abstract

We studied the processes of formation and conditions of stability of skyrmion lattices during thermodynamic fluctuations in magnetoelectric films, namely, in a frustrated antiferromagnetic/ferroelectric bilayer on a triangular lattice. We calculate the ground state configurations with given parameters using the steepest descent method. We consider the thermodynamic fluctuations in influence of an external magnetic field on the ground state configurations and phase transitions occurring in the model using Monte Carlo simulation.

About the authors

I. F. Sharafullin

Bashkir State University

Author for correspondence.
Email: SharafullinIF@yandex.ru
Russia, 450076, Ufa

A. G. Nugumanov

Bashkir State University

Email: SharafullinIF@yandex.ru
Russia, 450076, Ufa

A. H. Baisheva

Bashkir State University

Email: SharafullinIF@yandex.ru
Russia, 450076, Ufa

A. R. Yuldasheva

Bashkir State University

Email: SharafullinIF@yandex.ru
Russia, 450076, Ufa

H. T. Diep

Laboratoire de Physique Theorique et Modelisation, Université Cergy-Paris, CNRS

Email: SharafullinIF@yandex.ru
France, UMR 8089, 95302, Cergy-Pontoise

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Copyright (c) 2023 И.Ф. Шарафуллин, А.Г. Нугуманов, А.Х. Баишева, А.Р. Юлдашева, Х.Т. Диеп